80294120

素因数分解:

$2^3\times 5^1\times {\mathrm{2007353}}^1$

素因数の和:2007364

約数の個数: 16

約数和(自身を含む): 180661860

約数和(自身を除く): 100367740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2007353, 4014706, 8029412, 10036765, 16058824, 20073530, 40147060, 80294120]

約数ペア:

[(1, 80294120), (2, 40147060), (4, 20073530), (5, 16058824), (8, 10036765), (10, 8029412), (20, 4014706), (40, 2007353)]